diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6b4c543ee0..85ad033f27 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -39,6 +39,13 @@
 
 * Non-recursive top-level constants are compiled to eagerly evaluated
   constants in Chez Scheme.
+* Top-level functions without arguments consisting of delayed expressions
+  are now compiled using Scheme's `delay` and `force` to memoize them.
+
+#### Racket
+
+* Top-level functions without arguments consisting of delayed expressions
+  are now compiled using Scheme's `delay` and `force` to memoize them.
 
 #### Node.js/Browser